4pcs 0.28 LED Digital Voltmeter Gauge 0-100V Three-Line Tester Display Panel

Specifications:

• Measuring Range: Three-wire DC 0~100V
• Working Voltage: 4~40V (with reverse connection protection); voltages higher than 40V may cause damage
• Test Accuracy: ±1% for >10V; error within ±0.2V

Features:

• Two Connection Methods:
  • 3 wires connected separately for measuring voltage and power (yellow and red are positive; black is negative)
  • 3 wires used as 2 wires for voltage measurement (yellow can be paired as positive; black is negative)
• Mini Voltmeters: Includes 4 units with 4 color options; features a 0.28-inch LED display; designed to be compact and lightweight
• Advanced Features: Reverse polarity protection prevents damage from reverse connection; high precision; low startup working voltage; equipped with fine adjustment function
• Quality Assurance: Constructed from high-quality materials, featuring exquisite workmanship for excellent durability and a long service life

Package Includes:

• 4x 0.28-inch Digital Mini Voltmeters